Pencil's tech stack
What does Pencil use?
Pencil (trypencil.com) uses at least 32 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Intercom for customer support. Last checked .
- Industry
- Marketing and Advertising
- Size
- 11–50 employees
- Based in
- London, United Kingdom
- Founded
- 2018
- Company page
- Tools found
- 32
- Categories
- 19
- Layers
- 5 of 5
- Last checked
- Oct 2026
Pencil's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
4 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
4 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
8 tools, how they find and keep customers
Website & CMS
Marketing
Sales & CRM
Support & Docs
Company Ops
12 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
Security & Compliance
Companies like Pencil also use
Tools common among companies with a similar stack that we haven't found at Pencil.
Companies with a stack like Pencil's
Ranked by shared tools, with rare tools counting more.
Samsarasamsara.com19in common
Circle Internet Group, Inc.circle.com20in common
Pendopendo.io21in common
Scale AIEngineering, Product and Design · 201–1,000 people20in common
Bandwidthbandwidth.com15in common
PeoplecertEducation Management · 1,001–5,000 people13in common
BlackboardEducational Technology · 1,001–5,000 people14in common
OpenAIArtificial Intelligence · 1,001–5,000 people12in common
More Marketing and Advertising companies
Other Marketing and Advertising companies we've checked.
Pencil tech stack FAQ
What tools does Pencil use?
As of October 2026, runsonwhat has found 32 tools at Pencil (trypencil.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, GSAP and Anthropic. Data & Observability: Google Tag Manager, Microsoft Clarity and Atlassian Statuspage. Go-to-market: Microsoft Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 4, 2026.
What cloud does Pencil run on?
Pencil uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on trypencil.com. Amazon Web Services is used by 143,584 companies runsonwhat tracks.
What CRM does Pencil use?
Pencil uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on trypencil.com. HubSpot is used by 88,667 companies runsonwhat tracks.
What email provider does Pencil use?
Pencil uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 693,157 companies runsonwhat tracks.
What does Pencil use for customer support?
Pencil uses Intercom for customer support and documentation, alongside Gradual, according to runsonwhat (October 2026). runsonwhat found Intercom through Intercom code on trypencil.com. Intercom is used by 7,819 companies runsonwhat tracks.
What analytics tools does Pencil use?
Pencil uses Google Tag Manager for analytics, alongside Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on trypencil.com. Google Tag Manager is used by 461,697 companies runsonwhat tracks.
Does Pencil use jQuery?
Yes. runsonwhat found jQuery at Pencil through jQuery code on trypencil.com. jQuery is a Frontend tool used by 835,301 companies runsonwhat tracks.
Does Pencil use AI tools?
Yes. runsonwhat has found Anthropic at Pencil; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Pencil may use more AI tools than these.
Which companies have a tech stack similar to Pencil's?
The companies with the stacks most like Pencil's are Samsara, Circle Internet Group, Pendo and Scale AI, according to runsonwhat (October 2026). Each shares 19 to 21 tools with Pencil, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Pencil uses?
runsonwhat reads public records only. Of the 32 tools at Pencil, 13 were found through code on trypencil.com, 10 through DNS records, 5 through subdomains that point at the vendor and 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and trypencil.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.